Problems from The 2020 ICPC Vietnam National Contest

Name Fastest Total Acc. Ratio Difficulty
Astrological Sign 0.00 2024 917 45% 2.0easy
Battle of Hogwarts 0.06 794 191 24% 6.2hard
Cable Car 0.00 325 58 18% 8.2hard
Dividing Kingdom 0.29 342 83 24% 6.2hard
Easy Arithmetic 0.08 233 69 30% 6.4hard
Fluffy Cat 0.01 134 22 16% 7.2hard
Greatest Pair 0.66 647 98 15% 7.1hard
Highway to Mount Fansipan 0.01 732 233 32% 3.6medium
Infinite 2D Array 0.05 622 212 34% 5.3medium
Just Enough Water 0.00 463 178 38% 4.4medium
Kingdom of Cats 0.00 816 237 29% 4.6medium
Looping Around 0.47 249 54 22% 6.9hard
Malfunctioning Robot 0.00 1204 375 31% 2.8medium